The two Adult Tickets & Child Tickets applets allow the user to explore the same problem in two different graphical representations[br][br]Tickets for a minor league baseball game cost $10 for an adult and $4 for a child. A total of 400 tickets were sold and $3,400 was collected.[br][br]How many adult tickets were sold and how many children’s tickets were sold?[br][br]Now make up (and solve) two other similar problems. Explain what makes the new problems similar.[br][br]Explain how this problem is similar to the ones in the ‘Coin problem’ environment and the ‘Coffee mixture’ environment